亲爱的研友该休息了!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您度过漫漫科研夜!身体可是革命的本钱,早点休息,好梦!

Isolation of Phosphate Solubilizing Bacteria from Maize Rhizosphere and Their Potential for Rock Phosphate Solubilization–Mineralization and Plant Growth Promotion

根际 溶磷菌 矿化(土壤科学) 磷酸盐 微生物菌剂 磷矿 孵化 生物 开枪 堆肥 细菌 接种 营养物 根际细菌 园艺 阿韦纳 增溶 土壤水分 植物 化学 农学 生物化学 生态学 遗传学
作者
Muhammad Zeeshan Manzoor,M. Abbasi,Tariq Sultan
出处
期刊:Geomicrobiology Journal [Taylor & Francis]
卷期号:34 (1): 81-95 被引量:75
标识
DOI:10.1080/01490451.2016.1146373
摘要

Phosphate solubilizing bacteria (PSB) play a significant role in plant P nutrition by their effect on soil P dynamics and their subsequent ability to make P available to plants via solubilization and mineralization processes. This study aimed to evaluate the effect of separate and combined use of indigenous PSB, poultry manure (PM) and compost on solubilization and mineralization of rock phosphate (RP) and their subsequent effect on growth and P accumulation of maize (Zea mays L.). A group of fifty seven bacteria were isolated from the rhizosphere/rhizoplane of maize that had been grown in soils collected from varying altitudes (655–2,576 m) of the mountain region of Rawalakot, Azad Jammu and Kashmir, Pakistan. After screening, the capacity of eleven isolates to solubilize mineral phosphate was quantitatively evaluated using insoluble Ca3(PO4)2 in culture medium as a time course study through spectrometer. The growth hormone producing (IAA) capacity of the isolates was also determined. Furthermore, five potential isolates were tested for their ability to increase P release capacity (mineralization) of insoluble RP in an incubation study. The effect of PSB inoculation on maize was determined in a completely randomized greenhouse experiment where root and shoot biomass and P accumulation in plants were assessed. The P solubilization index of selected isolates varied from 1.94 to 3.69, while the P solubilization efficiency ranged between 94.1% and 269.0%. The isolates MRS18 and MRS27 displayed the highest values. The P solubilization in the liquid medium was maximum at 6 and 9 days of incubation ranging between 9.91 and 44.04 µgmL−1 and the isolates MRS27 and MRS34 exhibited the highest solubilization. Six isolates showed additional capability of producing IAA ranging between 2.66 and 28.41 µgmL−1. Results of the incubation study indicated that P release capacity (P mineralization) of RP-amended soil varied between 6.0 and 11.8 µgPg−1 that had been significantly increased to 30.6–36.3 µgPg−1 (maximum value) when PSB were combined with RP. The combined application of PSB and organic amendments (PM, compost) with RP further increased P mineralization by releasing a maximum of 37.7 µgPg−1 compared with separate application of RP (11.8 µgPg−1) and organic amendments (21.5 and 16.5 µgPg−1). The overall effect of PSB (as a group) with RP over RP alone on maize growth showing a relative increase in shoot length 21%, shoot fresh weight 42%, shoot dry weight 24%, root length 11%, root fresh weight 59%, root dry weight 35% and chlorophyll content 32%. This study clearly indicates that use of PSB, and organic amendments with insoluble RP could be a promising management strategy to enhance P availability in soil pool and improve plant growth in intensive cropping systems.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
风雨中飘摇应助科研通管家采纳,获得200
9秒前
11秒前
Chris完成签到 ,获得积分0
15秒前
zoe完成签到 ,获得积分10
16秒前
17秒前
30秒前
大个应助CNS_Fighter88采纳,获得10
33秒前
轻松的惜芹完成签到,获得积分10
38秒前
howgoods完成签到 ,获得积分10
46秒前
48秒前
Kashing完成签到,获得积分10
52秒前
CNS_Fighter88发布了新的文献求助10
53秒前
57秒前
l123完成签到,获得积分10
1分钟前
CYC完成签到 ,获得积分10
1分钟前
zhao完成签到 ,获得积分10
1分钟前
脑洞疼应助l123采纳,获得10
1分钟前
大个应助守仁则阳明采纳,获得10
1分钟前
1分钟前
木有完成签到 ,获得积分10
1分钟前
1分钟前
科研通AI5应助10 g采纳,获得10
1分钟前
Zoe发布了新的文献求助30
1分钟前
1分钟前
Zoe完成签到,获得积分10
1分钟前
糖伯虎完成签到 ,获得积分10
1分钟前
量子星尘发布了新的文献求助10
1分钟前
1分钟前
l123发布了新的文献求助10
1分钟前
wys完成签到,获得积分10
1分钟前
淡漠完成签到 ,获得积分10
1分钟前
华仔应助守仁则阳明采纳,获得10
1分钟前
1分钟前
liudy完成签到,获得积分10
1分钟前
852应助lf采纳,获得10
1分钟前
li发布了新的文献求助10
1分钟前
liudy发布了新的文献求助10
2分钟前
沉默白桃完成签到 ,获得积分10
2分钟前
2分钟前
li完成签到,获得积分10
2分钟前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 700
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3976608
求助须知:如何正确求助?哪些是违规求助? 3520700
关于积分的说明 11204542
捐赠科研通 3257350
什么是DOI,文献DOI怎么找? 1798716
邀请新用户注册赠送积分活动 877881
科研通“疑难数据库(出版商)”最低求助积分说明 806613